J6. Females heterozygous for three genes ABC/abc (in this order) are testcrossed to males carrying only recessive alleles (abc/abc). In a cross producing 1,000 progeny, how many double crossover progeny (AbC/abc and aBc/abc) will be obtained if the map distance between A and B is 15cM, the map distance between B and C is 10cM and the coefficient of coincidence is 0.4? A. 6 B. 15 C. 400 D. 0 E. 25

Q: Study the illustration of mitosis and meiosis. Answer the following questions using the letters in…

A: Introduction  The cell cycle, also known as the cell division cycle, is a series of events that…

Q: 27. Which of the graphs above shows that one extreme phenotype is favored, possessing a higher…

A: Natural selection is a theory that states that organisms evolved by changing their heritable traits…

Q: |(A) Humans have some rather unique features to our reproductive behavior. One strange one, relative…

A:

Q: Describe the importance of dinoflagellates in marine ecosystems and the situation which can arise in…

A: Dinoflagellates are microscopic marine organisms having grooves on the outside surface of their…

Q: d) hypertonic

A:

Q: Question 4:  Describe the role of renewable energy in reducing the coal and fossil fuel dependence…

A: Energy Sources are classified into two types:-  1. Renewable sources of energy:- less polluting,…

Q: 11. A) Why do we generally see animals with eggs and sperm for gametes (i.e., why do we have two…

A: Evolutionary Stable Strategy ESS is a strategy adopted by a population to adapt to specific…

Q: Define the Dna methylation.

A: DNA is copied by the process of DNA replication, which uses existing DNA strands to create new DNA…

Q: Discuss how males can preserve their reproductive and sexual health

A: Introduction: A state of replete physical, mental, and socioeconomic well-being in all aspects of…

Q: Woman who has blood type B positive has a daughter who is type O positive and a son who is type A…

A: There are four main blood types: A, AB, B and O. AB positive is considered the universal recipient,…

Q: Explain the concept of the formation and maintenance of the human microbiome and discuss the effect…

A: Introduction  The microbiome is a collection of microorganisms (fungi, bacteria, and viruses) that…

Q: The differences and similarities in the lagging strand synthesis and leading strand synthesis and…

A: Introduction Replication is a process that involves the creation of new daughter strands of DNA…

Q: 7. Calcium carbonate in tetrathionate broth is a) a source of carbon for growth b) a buffer c) a…

A: Enrichment media An enriched media contains all essential nutrients that are required for the…

Q: Enzymes can: make exothermic reactions into endothermic reactions. change the direction of a…

A: Enzymes are proteins that helps to accelerate chemical reactions by binding to substrates and…

Q: In what situation would the allele frequency of a population NOT change? A. when individuals move…

A: Allele frequency is the gene frequency in a gene pool of a population which can alter when various…

Q: 1. What magnification does the microscope need to be able to see cells? 2. What magnification does…

A: A microscope is an instrument that magnifies an object so that it may be seen by the observer.…

Q: Which organ is made up of air-carrying tubes and tiny sacs? The diaphragm The stomach The lungs The…

A: Introduction  Breathing is made possible by the respiratory system. They infuse our bodies with…

Q: Red-green colorblindness is inherited in an X-linked recessive pattern in humans.  A colorblind man…

A: X linked recessive inheritance is a mode of inheritance in which mutation in a gene is found on the…

Q: B. Organisms do not change Ċ. Organisms pass on acquired traits to their offspring D. Organisms…

A: Introduction :- Some differences improve an individual's ability to survive and reproduce in their…

Q: 22. When investigating the shell color of a species of snail found only in a remote area seldom…

A: In directional selection only one out of two allele is selected. Sometimes heterozygotes also…

Q: How can cells of the vertebrate immune system produce so many different immunoglobulins from a small…

A: Immunoglobulins Also called antibodies are made up of two heavy and light chains forming a Y-shaped…

Q: 8. Clonal Selection Hypothesis is the most accepted theory for how immune cells respond to specific…

A: The clonal selection theory was presented by Frank Burnet in 1957. This theory explains how…

Q: What is the DNA analysis and fossil records of the animal aye-aye

A: The scientific name of aye aye is daubentonia madagascariesis.  Aye aye have low population density.…

Q: Respiration includes. OA. breathing OB. inhalation OC. gas exchange OD. cellular respiration OE. all…

A: Introduction  Metabolism refers to the chemical reactions that occur within the cells of the body to…

Q: What is the likely diagnosis for the patient ? Describe the likely changes in the patient's right…

A: X-ray imaging X-ray imaging techniques use the X- radiation which is a form of ionising…

Q: 12. Some plants need more light than others to survive. Knowing this, explain how the following…

A: Introduction Ecological succession is a process by which species structure is changed over time.…

Q: 36. Which of the following relies on the study of embryos as evidence of evolution? A. Comparative…

A: Which of the following relies on the studies of embryo as evidence of evolution?

Q: 5. Which of these CANNOT result in evolution? O Mutations O Natural selection OSmall population size…

A: Evolution is a steady phenomenon that brings about change and alter life from simplex to more…

Q: Leber congenital amaurosis (LCA

A: Leber congenital amaurosis (LCA) is a genetic disorder of an eye which primarily affects the retina,…

Q: What happens during the TERMINATION step of transcription? A. base pairs are added to the mRNA…

A: Transcription is a process in which a gene's DNA sequence is copied (transcribed) to make an RNA…

Q: Compare the roles of reproductive isolation, geographic isolation, and competition in the speciation…

A: Introduction  Reproductive isolation permits organisms to evolve to the point where they are…

Q: Scientists, who support the "early genetic material" hypotheses, believe this biological component…

A: Introduction :- Any material of plant, animal, microbial, or other origin that carries genetic…

Q: Match the following (most appropriate combinations): Gel filteration chromatography Electrophoresis…

A: 1) Gel filtration chromatography - separation of proteins in a column based on size. In this type of…

Q: Sequencing reactions are done in separate tubes for each ddNTP with a radioactive primer. Which…

A: Gell electrophoresis is a biological apperatus mainly used in biotechnology or in case of genetic…

Q: During DNA replication, one of the new strands of DNA is synthesized continu while the other is…

A: DNA replication is a process in which DNA makes copies of itself with the help of the enzyme DNA…

Q: How would you describe GENES and CHARACTERISTICS using everyday objects? Provide a description as to…

A: Introduction Cell is the basic structural and functional unit of life. In eukaryotes the cell…

Q: from, from Which organ is made up of air-carrying tubes and tiny sacs? The diaphragm The stomach The…

A:

Q: Carbon Fixation.. O uses CO2 to build carbohydrates O uses CO2 to break down carbohydrates Obreaks…

A: Introduction: Carbon fixation is the process through which inorganic carbon from the atmosphere is…

Q: In human body, optimum temperature for enzymatic activities is: * 37 degree celsius 25 degree…

A: Introduction  Proteins that operate as biological catalysts are known as enzymes. Catalysts help to…

Q: Which result from the Miller and Urey experiment provides evidence that the molecules of life could…

A: Introduction :- The Miller-Urey experiment was the first to show that inorganic components might be…

Q: Discuss the role of immunohistochemistry (IHC) in the investigation of renal disease.

A: Immunohistochemistry- It is a laboratory method which uses antibodies to check for certain antigens…

Q: Which enzyme would you expect to find in salivary glands (which produce saliva as you begin chewing…

A: Salivary amylase - produced by salivary glands in mouth, and it starts the digestive process by…

Q: Which organisms in the diagram have the largest total energy to give to other organisms? LLE hawk…

A: A food web is a  network of interconnecting food chains in a natural community of different…

Q: What is biology

A: introduction Life is defined as living stuff that exhibits particular characteristics such as…

Q: What is a model organism? A. used by science to be an example for how other organisms would respond…

A: Biology is utilized to answer general scientific rules and explain how the world operates. People…

Q: For this question, Order the terms according to scale from smallest to largest. Label the smallest…

A: The living world is in close association with the non-living components on the earth. The different…

Q: w to grow from a patient’s own tissues ?.

A: Tissue when intact with the engineering process with biotechnology is a discipline of biomedical…

Q: Cellular respiration is most efficient when there is an ample amount of O oxygen O carbon dioxide O…

A: Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP.

Q: Cystic fibrosis can arise from a rare, short, in-frame deletion within the CFTR gene, which creates…

A: Cystic fibrosis (CF) is a disease that inherits and affects the lungs, digestive system, and other…

Q: 1. TRUE OR FALSE (explain your answers) a) Enrichment medium should not contain inhibitor to allow…

A: Please follow step 2 for detailed explanation.

Health Assessment